Window lock



FIG. 1 is a first perspective view of a window lock in a closed configuration in accordance with my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a second perspective view of a window lock as shown in FIG. 1 in an open configuration.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a window lock, as shown and described. 